306638720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 781401600

約数和(自身を除く): 474762880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 151, 152, 160, 167, 190, 302, 304, 320, 334, 380, 604, 608, 640, 668, 755, 760, 835, 1208, 1216, 1336, 1510, 1520, 1670, 2416, 2432, 2672, 2869, 3020, 3040, 3173, 3340, 4832, 5344, 5738, 6040, 6080, 6346, 6680, 9664, 10688, 11476, 12080, 12160, 12692, 13360, 14345, 15865, 19328, 21376, 22952, 24160, 25217, 25384, 26720, 28690, 31730, 45904, 48320, 50434, 50768, 53440, 57380, 63460, 91808, 96640, 100868, 101536, 106880, 114760, 126085, 126920, 183616, 201736, 203072, 229520, 252170, 253840, 367232, 403472, 406144, 459040, 479123, 504340, 507680, 806944, 918080, 958246, 1008680, 1015360, 1613888, 1836160, 1916492, 2017360, 2030720, 2395615, 3227776, 3832984, 4034720, 4791230, 7665968, 8069440, 9582460, 15331936, 16138880, 19164920, 30663872, 38329840, 61327744, 76659680, 153319360, 306638720]

約数ペア:

[(1, 306638720), (2, 153319360), (4, 76659680), (5, 61327744), (8, 38329840), (10, 30663872), (16, 19164920), (19, 16138880), (20, 15331936), (32, 9582460), (38, 8069440), (40, 7665968), (64, 4791230), (76, 4034720), (80, 3832984), (95, 3227776), (128, 2395615), (151, 2030720), (152, 2017360), (160, 1916492), (167, 1836160), (190, 1613888), (302, 1015360), (304, 1008680), (320, 958246), (334, 918080), (380, 806944), (604, 507680), (608, 504340), (640, 479123), (668, 459040), (755, 406144), (760, 403472), (835, 367232), (1208, 253840), (1216, 252170), (1336, 229520), (1510, 203072), (1520, 201736), (1670, 183616), (2416, 126920), (2432, 126085), (2672, 114760), (2869, 106880), (3020, 101536), (3040, 100868), (3173, 96640), (3340, 91808), (4832, 63460), (5344, 57380), (5738, 53440), (6040, 50768), (6080, 50434), (6346, 48320), (6680, 45904), (9664, 31730), (10688, 28690), (11476, 26720), (12080, 25384), (12160, 25217), (12692, 24160), (13360, 22952), (14345, 21376), (15865, 19328)]